Compound ingots



(No ModeL) 2 SheetsSheet l.

J. ILLINGWORTH.

MOLD FOR CASTING COMPOUND INGOTS.

NO. 349,886. I Patented Sept. 28, 1886.

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(No Model.) 2 Sheets-Sheet 2. J. ILLINGWOBTH. MOLD 'POR CASTING COMPOUND INGOTS.

No. 349,886. Patented Sept. 28, 1886.

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BY ATTYS.

' To aZZ whom, it may concern:

UNITED STATES JOHN ILLINGWORTH, OF

PATENT OFFICE.

NEWARK, NEW JERSEY.

MOLD FOR CASTING COMPOUND INGOTS.

SPECIFICATION forming part of Letters Patent No. 349,886, dated September 28, 1886.

Application filed May 19, 1886. Serial No. 202,630.

Be it known that I, JOHN ILLINGWORTH, a citizen of the United States, residing at Newark, in the county of Essex and State of New Jersey, have invented certain new and useful Improvements in Molds and Processes for Gasting Compound Ingots; and I do hereby declare the following to be a full, clear, and exact de scription of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form apart of this specification.

This invention relates to certain improvements in that class of ingot-molds for casting armor-plates, or plates having considerable width but comparatively little thickness, the said plates being in layers of hard and soft steel, and adapted for use in protecting the sides of fortifications, ships, the

It relates more particularly to improvements in the device illustrated and described in the drawings and specification in my application for patent filed in the United States Patent Office April 2, 1886, and numbered serially 197,494, the object of the invention being to simplify and facilitate the process of casting, to do so without handling or adjusting the molds or parts thereof during the said process, and to secure a more perfect union of layers.

Theinvention consists in the improved mold, and in the arrangements and combinations of parts thereof, substantially as will be hereinafter fully and specifically described, and finally embodied in the clauses of the claim.

Referring to the accompanying drawings, in which like letters indicate corresponding parts in each of the several figures of the two sheets thereof, Figure 1 is a section on line m,- Fig. 2, a plan of the improved device, partly broken away. Fig. 3 illustrates a certain preferred construction in detail; and Figs. 4. and 5 illustrate, respectively, a plan and a sectional view through line 1, showing other changes in construction.

In said drawings, a indicates a bottom plate, arranged horizontally on a suitable bed or support, and provided with suitable bearings, a, to receive or hold the lower ends of certain binding bars or bolts.

(No model.)

0 e are suitable side pieces or parts, which are movably arranged on the bottom a, the said parts having much greater length than vertical width, and being disposed on said bottom so as to form a hollow receptacle for molten metal. Said side pieces, or one or more of them, are formed to receive a funnel or funnels, d d, which latter lead the poured metal from the ladle or crucible to the hollow receptacle of the mold. When more than one funnel are employed, the exits therefrom are formed at different elevations, as shown, so that when the lower exit is filled with the lower layer of metal the upper funnel may be employed in casting the dipper layer or layers. By a plurality of funnels, arranged as above described, the metal flows evenly and smoothly over the surface and does not fall from a height upon the hard bottom, whereby it is broken into spray, and thus has its quality impaired.

Upon the movable sides a c is placed a top plate, 0, which is suitably secured thereon by bolt-s or other suitable means, so as to fix the sides in their relative positions with sufficient firmness to resist the weight of the molten metal and yet allow the same, when the pressare of the hardening and expanding metal is brought to bear thereon, to give or move outwardly, so that the mold will not be broken.

The method of fixing or binding the parts together is shown in Figs. 1, 2, and 3, in which the vertical plates or parts 0 are shown to be vertically slotted, as indicated at f,- or, as an alternative and preferred construction,the top and bottom plates are slotted, as at f in Fig. 3, the slots extending at right angles to the sides of the mold or in the direction of movement of said sides. The slots may be dispensed with and the bolts 9 be secured on the outside of the mold, away from said sides, as shown in Figs. 5 and 6. I prefer, however, to pass the bolts g through the bottom and top plates and the side pieces, and preferably through the braces h, so that the said parts are firmly bound together, the bolts being keyed by wedges i i, by means of which the parts are brought into intimate frictional contact, so

that great or very considerable force-such as or two feet in thickness-as the expansion is not sufiicient to make such provision necessary.

Instead of having the funnels attached to the sides of the mold,I may arrange one in connection with the top and the other with the bottom plate, in which case the first layer, by

partly filling the one chamber of the mold. As soon as a crust is formed on the upper and exposed surface of the casting, I flow a second layer of adiff'ering quality over the first,which perfectly adheres thereto, so that the two hecome integral though varying in quality. By this method I am able to make my second come solidified, the formation of a mere crust being sufficient to keep the qualities of metaldistinct, or sufficiently distinct for the purpose. I may be'greatly reduced, so that but little opportunity for oxidation need be given.

In making the first ca'sting or castings the mold is arranged in a horizontal position, so

that the layers will be parallel in the ingot or The time between the two castings 2. The combination, in=,a-mold,wi;th;the bot tom and top plates and-movable side plates, of fun uels having'their exit to the mold-chamher at different elevations, substantiallyas'.

shown and described.

3. The combinationofbottomand top plates, movable side plates,a funnel or funnels, bolts, keys, and braces h, said parts being arranged and combined substantially as set forth.

4. In combination with the bottom and top plates, intermediate movable side plates, and funnels, bolts which extend from said; bottom to the top plate, and suitable keys, which bear on said top plate and positively prevent any vertical play or movement thereof, sub,-. stantially as set forth.

5. A' mold substantially-such, ashere-inde- 1 scribed, for casting platesforcoveringthe ex-' ;posed sides of ships, fortifications, &c., having yielding sides, a top plate or cover, and-a; 'bottom bolted together, and a funnel, comj bined substantially as set forth. casting before the first has entirely set or bea 6. In combination, i-n'au ingot-mold, a bot-. tom, top plate or cover,and movable sides,

and bolts which extend from the bottom through the coverand hold the sides in place,

said bolts being arranged in slots which extend in the direction of expansion of the so lidifying metal or approximately at right angles to thesides of the molds, substantially as set forth. e V

7. In combination with the bottom and; top plates and movable sides, funnels d d", having their exits at varying heights in said movable sides, substantially as set forth.

In testimony that I claim the foregoing I have hereunto set my hand this 15th dayof May, 1886. v

JOHN ILLINGWORTH.

Witnesses:

CHARLES H. BELL, OSCAR A. MICHEL. 

